package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper

public interface ShoppingCartMapper {
    /**
     * 动态条件查询购物车
     * @param shoppingCart
     * @return
     */

    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 修改购物车已有商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    @Insert("insert into shopping_cart(name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time)" +
    "values (#{name}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanShopCartById(Long userId);
    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
